{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["members", "state or province of headquarters", "city of headquarters", "top members employees"], "input": "During  his  work at  Institute of Chemical Technology in Prague  he supervised about 60 MSc and 20 PhD students ."}
{"members": [], "state or province of headquarters": [], "city of headquarters": [], "top members employees": []}